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| 01:11.55 | MonMotha | ds2: nothing that I've heard/read about |
| 01:12.26 | MonMotha | that might be the scheduler attempting to exploit cache "hotness", but it should still take advantage of all available CPU time |
| 01:14.46 | ds2 | Hmmm |
| 01:15.08 | ds2 | stumped at why I seem to have one CPU completely idle on a multi threaded CPU bound process |
| 01:18.57 | solar | loves his job.. Just not the ppl I work with |
| 01:22.23 | RobotGuy | I felt that way at the last job I had, but there were only certain people I didn't like - the ones who shoved blame onto me for their incompetance. |
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| 01:40.25 | MonMotha | ds2: threads blocking each other or similar? |
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| 01:45.41 | ds2 | MonMotha: nope. |
| 01:46.13 | ds2 | I suspect someone broq the kernel scheduler |
| 01:46.50 | ds2 | FWIW, it worked fine on a dual x86 running a later 2.4 kernel |
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| 03:52.19 | MonMotha | gah, bought a bunch of replacements for failed caps in an audio amp last night |
| 03:52.34 | MonMotha | and tonight, I'm looking it over again, and they shouldn't have been there in the first place...should be wires |
| 03:52.41 | MonMotha | Konami fails at amp design |
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| 04:13.59 | joe_bleau | So, who put the caps in place of the wires, and why? |
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| 04:50.08 | MonMotha | joe_bleau: the circuit appears to have just been designed wrong |
| 04:50.12 | MonMotha | the PCB calls for caps |
| 04:50.25 | MonMotha | both with text labels and the footprint is marked for a radial cap |
| 04:51.06 | MonMotha | what they did was put an AC coupling cap to the load in a dual supply design (OK), but they used a polarized electrolytic (not OK) |
| 04:51.29 | MonMotha | they also had a cap in the feedback look that was polarized, and one of them also failed (on one side of the stereo amp) |
| 04:53.17 | MonMotha | they're also running a 7812 off +40V, and a 7912 off -40V, but they are only rated for 30V in |
| 04:53.31 | MonMotha | however, I can't find the datasheet for the exact part they used, so it's possible that they are higher spec |
| 04:54.33 | MonMotha | some 7x12 do allow 35, but I haven't seen any that allow 40 |
| 05:01.11 | ds2 | I thought it was 40V max |
| 05:01.26 | ds2 | or maybe that's the abs. max rating, not functional? |
| 05:02.17 | MonMotha | TI's datasheet is 35V abs max (30V max recommended) for the 7x12. 40V is the abs max (38 recommended) for the 7x24 |
| 05:03.15 | MonMotha | ST says the same thing |
| 05:04.14 | MonMotha | as do ON and Fairchild |
| 05:04.35 | MonMotha | which pretty much is the list of major US semi makers that have the 78xx series |
| 05:04.47 | MonMotha | I guess National might |
| 05:06.05 | MonMotha | the board specs a "78N12" and it's in a somewhat unusual package. Given that this is Konami's part, I'm sure it's made by some Japanese semi maker, so it may be higher spec |
| 05:06.35 | ds2 | must be the 7x24 I am confused with |
| 05:07.24 | MonMotha | perhaps |
| 05:07.39 | MonMotha | the 7824 and 7924 are the same as the 7812 and 7912, but in 24V output |
| 05:08.08 | ds2 | I know |
| 05:08.09 | MonMotha | normally I'd say "it'll likely work", but I'd not make a commercial product based on that, and they do specifically call it out separately in the datasheet |
| 05:09.50 | MonMotha | looks like both NEC and Panasonic/Matsushita make a "78N12" in this package, but I'm not having much luck with a datasheet. Doesn't really matter though |
| 05:09.55 | MonMotha | I'm just kinda in awe about the caps |
| 05:10.03 | MonMotha | I'm surprised more of these haven't failed like this |
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| 05:28.28 | RobotGuy | solar: ping |
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| 08:18.12 | [AD]Turbo | yo all |
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| 09:20.16 | methril | yo |
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| 14:21.42 | prpplague | GPSFan: ping |
| 14:22.03 | GPSFan | prpplague: g'day |
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| 14:23.38 | prpplague | GPSFan: hey, what is the current status of the zipit folks? are they still in business? |
| 14:25.21 | GPSFan | prpplague: they seem to be, one of their folks regularly stops by #zipit, but basically nothing is going on in terms of development. I've not had time to poke at what I want to do with it, for a while. and others keep fiddling with OE. |
| 14:25.53 | GPSFan | T0mW is busy with his house. |
| 14:26.23 | prpplague | GPSFan: hmm |
| 14:26.57 | prpplague | GPSFan: i was thinking last night that it might be interesting for AML to design a pistol grib sled with a barcode scanner that the z2 could snap into |
| 14:27.17 | prpplague | GPSFan: and if g1powermac would do the quickbooks interface, might be something saleable |
| 14:27.52 | GPSFan | I believe that usb client, i2c and audio come out the expansion connector. |
| 14:28.19 | GPSFan | there is the cameera interface too. |
| 14:28.26 | prpplague | GPSFan: no uart of any type? |
| 14:29.15 | prpplague | i guess i could bitbang spi to a uart chip |
| 14:29.17 | GPSFan | you know where the serial port comes out to, those pads, you disccovered/ |
| 14:29.30 | prpplague | GPSFan: yea, just didn't know if they had one on the expansion port |
| 14:30.04 | GPSFan | I don't know for sure since I didn't sign the nda. g1powermac has so he knows what it says. |
| 14:30.26 | prpplague | yea |
| 14:31.11 | prpplague | GPSFan: what is the the nick for the zipit guy that shows up on #zipit? |
| 14:31.28 | GPSFan | drmikecrowe |
| 14:31.51 | prpplague | ahh, thanks, i'll keep an eye out for him |
| 14:32.28 | GPSFan | np.. |
| 14:32.37 | prpplague | GPSFan: doing some sort of quickbooks shared libs for linux would be a good project |
| 14:32.43 | prpplague | (for someone) |
| 14:33.42 | GPSFan | indeed. btw I haven't contacted my frient that I said might be interested in the QB-8050 port. we have both been swamped... |
| 14:34.31 | prpplague | GPSFan: np |
| 14:34.36 | prpplague | GPSFan: as have i |
| 14:35.11 | prpplague | GPSFan: in addition i've been trying to crawl out of a dark hole of depression with regards to work and my father |
| 14:35.54 | GPSFan | sorry to hear that... |
| 14:36.39 | prpplague | GPSFan: i went to see him on saturday, pretty rough day |
| 14:40.35 | prpplague | g1powermac: would it be possible to tell me if there is a uart on the external z2 connector? |
| 14:40.46 | g1powermac | yea, there isn't any :-) |
| 14:41.08 | prpplague | ahh, well i could use spi to a uart anyway |
| 14:41.16 | prpplague | just adds about $4 to the cost |
| 14:41.33 | g1powermac | yea |
| 14:42.14 | g1powermac | speaking of which, I'm downloading the quickbooks POS sdk now |
| 14:44.17 | g1powermac | see how this puppy works |
| 14:47.06 | g1powermac | man, its been forever since I've done anything in windows |
| 14:49.08 | g1powermac | hmm, may have to reinstall quickbooks pos on this machine to reset it as a test server system |
| 14:51.54 | g1powermac | meh, going to have to do some more work to set this up |
| 14:52.01 | prpplague | yep |
| 14:52.42 | g1powermac | I wonder if I'm going to have issues with the stupid POS licensing |
| 14:53.08 | g1powermac | we can only have two instances of POS running at the same time, but thats on the same network |
| 14:53.22 | g1powermac | I wonder what would happen when I have this test setup going at home. . . |
| 14:59.58 | prpplague | i don't think there are any restrictions on the sdk |
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| 15:03.20 | kergoth | morning |
| 15:03.55 | prpplague | kergoth: greetings |
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| 15:19.55 | prpplague | miknix: greetings |
| 15:20.10 | miknix | hello prpplague |
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| 19:50.06 | prpplague | wonders if there is a good wince dev channel |
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| 19:52.07 | roxfan | afaik most devs use official support, which is reportedly very good |
| 19:54.10 | prpplague | roxfan: kinda of what i heard as well |
| 19:55.25 | prpplague | roxfan: its going to be a culture shock for me |
| 19:55.47 | roxfan | ? |
| 19:56.52 | prpplague | roxfan: i've got to do some wince dev |
| 19:57.02 | T0mW | ooooo! lucky you! |
| 19:57.14 | T0mW | is jealous |
| 19:57.20 | T0mW | heh |
| 19:58.00 | kergoth | thinks its time for prpplague to find another job :( |
| 19:58.17 | prpplague | kergoth: indeed |
| 19:58.35 | T0mW | prpplague: if you do wince dev work, you will have to re-learn how to whine and cry so the mailing list people will take you seriously. |
| 19:59.15 | prpplague | T0mW: well fortunately there is a bsp for the 2440, so it should be just tweaking stuff |
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| 19:59.43 | T0mW | writes down what Dave just said |
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| 20:00.01 | kergoth | hmm, stackoverflow.com is kind of cool |
| 20:00.19 | prpplague | T0mW: we are outsourcing the vast majority of the work |
| 20:00.28 | prpplague | T0mW: i'll just need to be able to tweak stuff |
| 20:00.39 | T0mW | prpplague: to what third world country? |
| 20:00.56 | prpplague | T0mW: hehe, the US |
| 20:01.24 | T0mW | prpplague: yeah, I hear they are pretty backward when it comes to technologies |
| 20:01.33 | prpplague | T0mW: indeed |
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| 20:02.14 | T0mW | I think that I found my prob with the sata raid array. Looks like one of the drives is talking out of turn over the sata link. |
| 20:02.51 | T0mW | only thing that I can figure out, replaced that drive and the four drive array works fine. |
| 20:03.33 | T0mW | anyone hear of that before? a drive borking the sata link to other drives? |
| 20:04.01 | T0mW | prpplague: well, at least you have a job. |
| 20:04.25 | prpplague | T0mW: for now |
| 20:04.37 | prpplague | T0mW: i fully expect to not have one in 6 months |
| 20:05.25 | T0mW | prpplague: meet you in the soup kitchen line in 6 months then |
| 20:05.42 | prpplague | correction |
| 20:05.50 | prpplague | T0mW: i fully expect to not have one in 6 months at AML |
| 20:05.57 | T0mW | lol |
| 20:06.11 | T0mW | prpplague: right, let's be positive about this. |
| 20:06.29 | prpplague | i suspect that management is getting ready to dump the engineering department as well as the production department |
| 20:06.45 | T0mW | heh |
| 20:06.56 | T0mW | plus fire all the salemen |
| 20:06.59 | T0mW | plus fire all the salesmen |
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| 20:07.08 | prpplague | don't know about that one |
| 20:07.21 | T0mW | after all, if you are going to trash the company, do it the right way. |
| 20:07.24 | prpplague | but they are planning to oursource production and most of inventory to a turnkey shop |
| 20:07.41 | T0mW | umm, that might make sense |
| 20:08.33 | T0mW | I do know of a small manufacturer that does that. he gives the shop his gerber data and partslists, then tell them how many boards he needs. |
| 20:08.34 | prpplague | and they are planning to outsource the engineering to several difference shops, one for ME , one for EE, and one for software |
| 20:09.05 | T0mW | prpplague: OH! that should work real well then <smirk> |
| 20:09.17 | prpplague | indeed |
| 20:09.40 | T0mW | much more latitude to point fingers |
| 20:10.14 | T0mW | let's see, the EE is using metric, the ME is inches, ... |
| 20:11.51 | prpplague | indeed |
| 20:11.57 | prpplague | that was my argument |
| 20:12.27 | prpplague | but since they hired the EEdiot and he created so many problems, its got managment thinking they don't want to deal with it anymore |
| 20:13.18 | T0mW | yeah, "things are not going well, let's change something" |
| 20:14.05 | T0mW | prpplague: I should complain?! I consult for mfgrs who don't want the "expense" of an in-house staff. |
| 20:18.06 | MothaWork | prpplague: to save me some time digging through poorly written SD specs, is there a realistic way to do card detection (SPI connection) without the physical card detect switch? |
| 20:18.15 | MothaWork | I'm out of GPIOs, and it's on the chopping block |
| 20:20.09 | prpplague | MonMotha: yep, there is a sequence that you can do for detection |
| 20:20.21 | prpplague | MonMotha: the 2.6.25 kernel has it |
| 20:20.28 | MothaWork | prpplague: well, this won't be running Linux |
| 20:20.32 | MothaWork | ARM7TDMI |
| 20:20.38 | prpplague | MothaWork: what i meant was as a reference |
| 20:21.01 | prpplague | there is a flow chart in the sandisk spec for detection |
| 20:21.11 | prpplague | grabs his notes |
| 20:21.58 | MothaWork | prpplague: gotcha |
| 20:22.21 | prpplague | MonMotha: remember without the card detect gpio line, hotplug insertion and removal can be pretty difficult |
| 20:22.53 | MothaWork | prpplague: well, then I guess people can deal with it |
| 20:23.03 | MothaWork | because this board has everything + kitchen sink, and I'm out of GPIOs |
| 20:24.27 | prpplague | MonMotha: yea checking the sandisk sd card spec, the easiest way is to assert the CS signal low and issue a reset command, if there is a card present and the card can do spi, it will respond with a R1 response |
| 20:26.19 | MothaWork | and really, I never got why the SD people always use the command/response numbers instead of the mnemonics |
| 20:26.58 | prpplague | indeed i find it obscure as well |
| 20:26.59 | MothaWork | seems akin to using an assembler that only accepts opcodes in hex |
| 20:27.49 | prpplague | MothaWork: best to start off running at 400KHz for the initial startup with CS low and reset command |
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| 23:34.44 | ds2 | *plop* |
| 23:46.49 | RobotGuy | *fizz* |
| 23:47.45 | ds2 | RobotGuy: got an obedient dog yet? |
| 23:48.31 | RobotGuy | Still building software. If this works, I believe I will get one. |
| 23:48.48 | g1powermac | RobotGuy, you can have one of mine, I got four ;-) |
| 23:49.28 | RobotGuy | g1powermac: Greetings. I'm talking about a Beagle[board]. :) |
| 23:49.57 | g1powermac | heh, you can't have my beagle inspired dog ;-) |
| 23:50.42 | g1powermac | (she's a beagle mix ;-) |
| 23:50.59 | ds2 | g1powermac: you go hunting with her? |
| 23:51.14 | g1powermac | nah, I don't hunt |
| 23:51.27 | g1powermac | plus she's too young |
| 23:53.05 | ds2 | what's too young for a dog? |
| 23:53.49 | g1powermac | she's about 6 months old and we've only had her about a week and a half :-) |
| 23:54.17 | ds2 | but for something that lives on the average of 15-20 years, is that really too young? |
| 23:54.27 | g1powermac | and she really pounces on the same age dachsund mix we have, its fun to watch :-) |
| 23:54.53 | g1powermac | its like they're doing a klingon mating ritual ;-) |
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